آخرین مطالب : 

بلندگوی سقفی حرفه ای توکار جی بی ال (JBL) مدل Control 321CT

بلندگوی سقفی حرفه ای توکار جی بی ال

بلندگوی سقفی حرفه ای توکار جی بی ال (JBL) مدل Control 321CT

Control 321CT
۱۲ in. Coaxial Ceiling Loudspeaker with HF Compression Driver
The Control 321CT has been engineered from the ground up to deliver exceptional next-generation performance in a coaxial point source design ceiling loudspeaker.
FEATURES
  • Consistent 90° broadband pattern control.
  • Components
    • ۳۰۰ mm (12 in) woofer with Kevlar-reinforcedcone with 50 mm (2 in) voice-coil.
    • ۲۵ mm (1 exit) compression driver.
  • Extraordinary clarity for speech and vocals with extended frequency response for music.
  • ۲۵۰ Watt power handling with high sensitivity provides high SPL capability.
  • Advanced high-slope crossover network for constant coverage and smooth, natural midrange.
  • Clean, contemporary grille and optional backbox available.
SPECIFICATIONS
  Frequency Range (-10 dB) ۳۴ Hz – ۱۸ kHz
  Power Rating ۲۰۰ W (600 W peak), 100 hrs
  Taps ۷۰V: 68W, 34W, 17W, 8.5W
100V: 68W, 34W, 17W
  Frequency Response (±۳ dB) ۴۷ Hz – ۱۶ kHz
  Coverage Pattern ۹۰° conical, broadband (Avg 1k – 16kHz)
  Directivity Factor (Q) ۸٫۷ (۱k – 16kHz)
  Directivity Index (DI) ۹٫۴ dB (1k – 16kHz)
  Sensitivity (2.83V@ 1m) ۹۴ dB measured half-space
99 dB computed for competitive comparison
  Crossover Network ۱٫۸ kHz, 3rd order (18 dB/oct) high-pass plus conjugate to HF, 2nd order
low-pass to LF
  Dimensions (H x W x D) ۳۶۶ x 366 mm (14.4 x 14.4 in) square baffle x depth from back of baffle
of 240 mm (9.5 in)